nixos/tests/chromium: Allow overriding channel map

This has been the case before e45c211, but it turns out that it's very
useful to override the channel packages so we can run tests with
different Chromium build options.

Signed-off-by: aszlig <aszlig@redmoonstudios.org>

1 files changed, 9 insertions, 6 deletions

diff --git a/nixos/tests/chromium.nix b/nixos/tests/chromium.nix
index 974af6888b6..dfa65ab7391 100644
--- a/nixos/tests/chromium.nix
+++ b/nixos/tests/chromium.nix
@@ -1,4 +1,11 @@
-{ system ? builtins.currentSystem }:
+{ system ? builtins.currentSystem
+, pkgs ? import ../.. {}
+, channelMap ? {
+    stable = pkgs.chromium;
+    beta   = pkgs.chromiumBeta;
+    dev    = pkgs.chromiumDev;
+  }
+}:
 
 with import ../lib/testing.nix { inherit system; };
 with pkgs.lib;
@@ -160,8 +167,4 @@ mapAttrs (channel: chromiumPkg: makeTest rec {
 
     $machine->shutdown;
   '';
-}) {
-  stable = pkgs.chromium;
-  beta   = pkgs.chromiumBeta;
-  dev    = pkgs.chromiumDev;
-}
+}) channelMap